/Engine/Source/Runtime/GeometryCore/Public/QuadricError.h
QuadricError represents a quadratic function that evaluates distance to plane. Stores minimal 10-coefficient form, followinghttp://mgarland.org/files/papers/qtheory.pdf(symmetric matrix A, vector b, constant c)
template<typename RealType> struct TQuadricError
RealType
Axx
RealType
Axy
RealType
Axz
RealType
Ayy
RealType
Ayz
RealType
Azz
RealType
bx
RealType
by
RealType
bz
RealType
c